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Search for low-mass PMS companions around X-ray selected late B stars | | S. Hubrig
; D. Le Mignant
; P. North
; J. Krautter
; | | Date: |
14 Mar 2001 | | Subject: | astro-ph | | Affiliation: | European Southern Observatory, Chile, Laboratoire d’Astrophysique, Observatoire de Grenoble, France, and W. M. Keck Observatory, USA Institut d’Astronomie de l’Universite de Lausanne, Switzerland Landessternwarte Heidelberg-Koenig | | Abstract: | We have observed 49 X-ray detected bright late B-type dwarfs to search for close low-mass pre-main sequence (PMS) companions using the European Southern Observatory’s ADONIS (Adaptive Optics Near Infrared System) instrument. We announce the discovery of 21 new companions in 9 binaries, 5 triple, 4 quadruple system and 1 system consisting of five stars. The detected new companions have K magnitudes between 6.5 mag and 17.3 mag. and angular separations ranging from 0.2 and 14.1 arcsec (18-2358 AU). | | Source: | arXiv, astro-ph/0103201 | | Services: | Forum | Review | PDF | Favorites | |
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